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Is Cellulose the real problem in desiccated thyroid meds for many?

Screen Shot 2015-08-05 at 12.53.55 PM(This blog post is updated to the current day and time. Enjoy!)

When Forest Labs reformulated Armour desiccated thyroid in early 2009, they stated they increased the filler Microcrystalline Cellulose, and decreased the Sucrose (sugar). And all of sudden, the tablets became impossible to do sublingually–a method so many of us loved and which seemed to give even more of a punch.

And we were left wondering in 2009 why they would change a particular quality (being able to do the tablets sublingually) that thyroid patients praised so heavily?  Positive opinion among patients for Forest Labs back then slipped several notches. (Forest Labs was bought out by Actavis in 2014)

But the real cuckoo’s nest for many thyroid patients still on Armour in 2009, who knew firsthand the life-changing benefits of natural desiccated thyroid, was a maddening return of serious hypo symptoms on the 2009 Armour with its increase in cellulose, and subsequent new stress on their adrenals, sooner…or later! You can read several horror stories in the comments of the post below, or go here.

So patients turned to other alternatives, which at the time was Naturethroid and Westhroid by RLC Labs. (Naturethroid stopped working as well in 2018)

So what has been the common thread in the most problematic desiccated thyroid products?

It has always been CELLULOSE, a plant fiber, and more commonly known by the trade name Avicel. And what does fiber do in your stomach? Inhibits absorption. Armour’s cellulose was raised, and bamm…problems.  Compounded desiccated thyroid, with cellulose as a filler, has been problematic for many patients with a return of hypo symptoms, especially if it was Methyl Cellulose, a larger particle size product. But some have even had problems with compounded containing Microcrystalline Cellulose, the smaller cellular product. And a certain body of patients even had problems with Naturethroid back then before it became scarce for awhile. And Naturethroid used cellulose as a filler.

Note: With all the complaints, Forest Labs did change something about Armour by mid–to-late 2010. Though it never returned to what it was before 2009, it did become a softer tablet and patients did better on it. But we certainly learned a big lesson about cellulose in our NDT pills..

Is this problem true with T3-only products?

Yes. Patients noted that generic T3 was far less effective than the brand name Cytomel (both Liothyronine Sodium)  And what filler is up to 70% in the generic T3?  CELLULOSE.  

What does literature say about the use of Cellulose as a filler in medications?

Plenty. Cellulose is from wood. Wood is fiber. And fiber in your gut affects absorption. From http://www.umm.edu/altmed/articles/fiber-000303.htm we get this:

* Dietary fiber has been reported to lower the blood levels and effectiveness of tricyclic antidepressant medications…Reduced dietary fiber intake increased the blood levels and improved symptoms in these patients.

* While fiber supplements may help to regulate blood sugar levels, they may also interfere with the absorption of anti-diabetic medications….Therefore, fiber supplements should not be taken at the same time as these medications.

* Taking soluble fiber such as psyllium with carbamazepine (Tegretol), a medication used to treat seizure disorders, may decrease the absorption and effectiveness of carbamazepine.

* Fiber in the form of pectin (from fruit) and oat bran reportedly reduces the body’s ability to absorb cholesterol-lowering medications known as “statins,”… and could lead to decreased effectiveness of these medications.

* Fiber supplements may reduce the body’s ability to absorb digoxin (Lanoxin), a medication used to regulate heart function.

* Clinical reports suggest that psyllium or other soluble fibers may lower lithium levels in the blood, reducing the effectiveness of this medication.

* In one clinical study, the fiber supplement guar gum reduced blood levels of penicillin.

Fast forward to the present

If you are using a compounded desiccated thyroid medication, it’s strongly recommended to request powdered acidophiles, also spelled acidophilus, as your filler.  One gal states her compounding pharmacy uses powdered Ginger (but beware of too much Ginger if you have Mitral Valve Prolapse. It can cause palps if you take too much–my experience).  Others might use powdered Vitamin C.  See what other fillers your compounder can offer.

Another possibility is Cellulase, an enzyme which helps the splitting and breakdown of cellulose, It’s found on most supplement websites.

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How are YOU doing with the current desiccated thyroid shortages?

Pills Spilled Shortages

(This post garnered a lot of attention, up to FIFTY comments just a few hours after it went up. People are very interested in sharing their experiences in coping with the shortages! See below and add your own.)

This year will go down in history as shockingly miserable for enlightened thyroid patients on natural desiccated thyroid.

First came a reformulation in the most popular brand–Armour by Forest Labs. Patients worldwide in groups and forums reported a serious return of their hypothyroid symptoms on this product. A huge disappointment.

Second came the production shutdown of the two generic makers of desiccated thyroid: Time Caps Labs and Major Pharmaceuticals. It’s the first step in the FDA’s compliance plan to corral all grandfathered-in drugs (drugs already in existence when the the FDA was created in 1938) and make them each prove the efficacy and safety of their medication via very expensive clinical trials.  i.e. over 110 years of safe and effective use of desiccated thyroid is not enough for the FDA?? We are still waiting to see the outcome of that plan with RLC  and Forest Labs.–the two who were actually in existence before 1938.

Third came demand being greater than supply and shortages. Because of informative patient websites like Stop the Thyroid Madness,  Sheila’s TPA-UK, Lyn’s ThyroidUK, Stephanie’s Natural Thyroid Choices, some areas of about.com (and other good websites I don’t mean to miss here), plus many fine patient forums and groups,  patients found out why they had continuing symptoms on T4 thyroxine, and demand for natural desiccated thyroid grew exponentially.

STTM then created a list of options for all thyroid patients until the shortages resolved themselves, and also created CDT (Coalition for Desiccated Thyroid) where patients could discuss alternatives in a supportive and factual atmosphere.

And we’ve seen some interesting experiences and comments:

The new Armour: One grain tabs started to appear on some pharmacy shelves the past month.  Other pharmacies have still been waiting.  Many patients appear to have switched to other alternatives, though. One gal still on it feels she is finding success by adding T3 to the amount of new Armour she is on.  Time will tell if patients can ever find success with the newly formulated Armour, and most feel it’s a huge loss.

Naturethroid and Westhroid: Patients reporting on their switch to either of RLC Lab’s two identical products report doing well, having to raise it slightly or lower it slightly, or just not liking them at all. Others have had a hard time finding it on their pharmacy shelves, but have been seeing some appear in the last few weeks.

Erfa’s Thyroid from Canada: When it became clear that the FDA was allowing this excellent product to be shipped to patients, many switched and had their prescriptions faxed to a Canadian pharmacy. Prices at many of those pharmacy websites were doubled after prescriptions started to come in from the US. Most patient who stuck with it seem to love it, reporting you can do it sublingually, as well. A few haven’t been impressed, but were finding their former success by raising it.

Compounded desiccated thyroid: In spite of being a more expensive option, some patients found success with this. Others learned they preferred the filler to be Acidophiles.  If not the latter, Microcrystalline Cellulose was preferred over Methyl Cellulose–the latter which appeared to lessen the effectiveness of the compounded thyroid.

Synthetic T4 and Synthetic T3: some patients switched back to the synthetic combination, but many report that it hasn’t been as effective as desiccated thyroid was.

Other options: Patients moved to OTC products like Nutri-Meds, etc, which can be much weaker. Others sought desiccated thyroid from other countries and have found success.

So I’d like to hear from all of you.   Did you go back to synthetic T4?  What desiccated thyroid did you switch to? What worked and why? What didn’t work for you and why?  What product do you hope to switch to once you run out of your current meds?

Interesting information about Compounded Natural Desiccated Thyroid

We had a great Thyroid Patient Community Call Friday night on TalkShoe with John Voliva, RPh, the President of Hooks Apothecary in Evansville, Indiana. Hooks Apothecary is a compounding-only pharmacy that has been in existence for ten years and is a small and high quality family-owned business.

And with our current shortage of desiccated thyroid via the tablets we were used to, compounding pharmacies are a good alternative in the meantime. Here’s what we learned from Mr. Voliva:

1) Different compounding pharmacies will use different fillers. Hooks Apothecary, for example, uses powdered acidophiles, the “active culture” which helps replace the good flora in your gut and improves digestion.

2) Compounded desiccated thyroid can be more expensive for two reasons: they acquire smaller amounts of the powder as compared to the huge amounts obtained by a pharmaceutical like Forest, and it takes time to compound it.

3) A good compounding pharmacy will give you the Certificate of Analysis right when you ask for it, and you should ask for it. This Certificate will tell you how much T4 and T3 is in one grain..and it’s not always simply 38/9 mcg.  It could be 35/8.6 or 39/8.5 per grain…for example.   Find out because there are allowed deviations of 10 mcg +-.  A really good pharmacy will shoot for an even better deviation and will also produce that Certificate right when you ask for it, not a day later. To not receive that documentation right when you ask implies they really weren’t paying much attention to the deviation.

4) A compounding pharmacy will get better deviations when they create a 65 mg grain of compounded desiccated thyroid than when they create a 60 mg grain.

5) Top notch Compounding Pharmacies will be accredited by, or be close to completing the steps towards, the Pharmacy Compounding Accreditation Board.

6) Compounding pharmacies can’t make a desiccated thyroid trouche because of the problems with heat in the processing of the trouche.

7) Mr. Voliva feels it would be too easy to overdose with transdermal (on the skin) desiccated thyroid.

8 ) Compounding pharmacies, via their 5-6 distributors, get the powder from American Laboratories.  But not all compounding pharmacies will be as diligent as others to make sure the deviation is closer to 5%.

9) If the compounding pharmacy is getting their powder via the distributor PCCA (Professional Compounding Centers of America), you can be assured you are getting a good product.  Ask the pharmacist where they are getting it.

10) Compounding pharmacies generally have plenty of desiccated thyroid powder.

My apologies to a group of callers whose chat questions I wasn’t able to see. I have sent a question about that to Talk Shoe’s Customer Support to find an answer before the next Community Call. But on the good side,  the audio worked on everyone’s computer.